编辑代码

#include <stdio.h>
int main () {

    int x;
    int one,two,five;

    scanf("%d",&x);
    for(one=1;one<=x*10;one+1){
        for (two=1;two<=x*10/2;two++){
            for (five=1;five<=x*10/5;five++){
                if (one+two*2+five*5==x*10){
                    printf("存在%d个1角加%d个2角加%d个5角得到%d元\n",one,two,five,x);
                goto out;
                }
            }
        }
    }
out:
    return 0;
}